1209_Physics ProblemsTechnical Physics

1209_Physics ProblemsTechnical Physics - 550 Molecules and...

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550 Molecules and Solids Section 43.2 Energy States and Spectra of Molecules P43.6 µ = + = + ×= × −− mm 12 27 25 132 9 126 9 132 9 126 9 1 66 10 1 08 10 .. a f ej kg kg Ir == × × = × −−− 22 5 9 2 45 1 08 10 0 127 10 1 74 10 . kg m kg m 2 (a) EI I I JJ I === + 1 1 2 2 2 2 ω a f a f = J = 0 gives E = 0 J = 1 gives E I == ×⋅ = = 2 34 2 24 5 24 6626 10 4 1 74 10 641 10 400 . . Js kg m J e V 2 π hf 0 24 . J to f 966 10 9 . H z (b) f E hh I h r r 1 2 2 4 = πµ If is 10% too small, is 20% too large. rf P43.7 For the HCl molecule in the J = 1 rotational energy level, we are given r 0 01275 = n m . E I rot =+ = 2 2 1 a f Taking J = 1, we have E I I rot = 2 2 1 2 or 2 2 2 2 I I . The moment of inertia of the molecule is given by Equation 43.3. r + F H G I K J 0 2 0 2 FIG. P43.7 = + L N M O Q P × = × 13 5 5 0 972 1 66 10 1 275 10 2 62 10 0 7 1 0 2
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .

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